I can only vote for the Doberman. It's the only one on your list that I've been around. Knew a family 25 years ago that had one. Awesome dog! Very bright and alert, very family-friendly, very foe-unfriendly

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past MB rides:
'68 220D
'68 220D(another one)
'67 230
'84 SD
Current rides:
'06 Lexus RX330
'93 Ford F-250
'96 Corvette
'99 Polaris 700 RMK sled
2011 Polaris Assault
'86 Yamaha TT350(good 'ol thumper)